How to toggle the Firefox JSON Viewer dark-mode?

Question

How can I turn it dark-mode? I already set the Firefox theme to dark but it didn't change...

Answer 1

Your question bring me to the answer! I was troubling with the same and recently discovered how to do it.

OS

• Ubuntu 18.04.4 LTS (64-bits)

If you have another OS on which it also worked, please add a comment below and I will add it (or add it yourself editing this answer).

Browser details

• Mozilla Firefox for Ubuntu
• Version 78.0.1 (64-bit)

Steps to reproduce

1. Press F12 (open Developer Tools)
2. Press F1 (or go to the "..." button at the top right corner and then press "Settings")
3. In Themes select Dark
4. Done